{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "trigger": true, "arguments": ["discoverer", "vulnerable system", "vulnerable system version", "capabilities", "time", "vulnerable system owner", "common vulnerabilities and exposures"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["vulnerable system", "common vulnerabilities and exposures", "time", "vulnerability", "vulnerable system version", "supported platform", "issues addressed", "releaser"]}, {"event_type": "ransom", "trigger": true, "arguments": ["attacker", "victim", "damage amount", "price", "place", "tool", "attack pattern", "time", "payment method"]}, {"event_type": "data breach", "trigger": true, "arguments": ["attacker", "number of data", "compromised data", "purpose", "attack pattern", "place", "damage amount", "victim"]}], "input": "Once the payload has been dropped and run on a compromised system , GandCrab , for the most part , acts like any other form of ransomware , encrypting Windows files using an RSA algorithm and demanding payment for the ' GandCrab Decryptor ' required to unlock the files ."}
{"discover vulnerability": [], "patch vulnerability": [], "ransom": [{"trigger": "demanding payment", "arguments": {"attacker": "GandCrab Decryptor", "victim": "NAN", "damage amount": "NAN", "price": "NAN", "place": "NAN", "tool": ["ransomware", "GandCrab"], "attack pattern": ["using an RSA algorithm", "encrypting Windows files"], "time": "NAN", "payment method": "NAN"}}], "data breach": []}